﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Bai01_csharp
{
    class Rectangle
    {
        int x;
        int y;
        public void setValues(int a, int b)
        {
            x = a;
            y = b;
        }

         public int area(){
             return(x*y);
        }
    
    }
   
    }
    class Program
    {
        static void Main(string[] args)
        {
   
            

        }
    }

